Description
Optimize Intake Pressure: 4956055 QSK38 Aftercooler Gasket Kit
Product Specifications
| Specification | Details |
| Product Name | Aftercooler Gasket Kit / Charge Air Cooler Seal Set |
| OEM Part Number | 4956055 |
| Engine Compatibility | Cummins QSK38 |
| Brand | VPGASKET |
| Material Construction | High-Temp Silicone, Premium Viton |
| Application | Charge Air / Intake Systems |
| Condition | 100% Brand New Premium Aftermarket Replacement |
Superior Sealing for High-Volume Air
In heavy-duty applications, maintaining peak turbocharger efficiency is non-negotiable. The 4956055 aftercooler gasket kit prevents the escape of pressurized air, ensuring that the QSK38’s cylinders are fully packed with oxygen-rich, cooled air. Formulated to resist the degrading effects of oil mist and high heat, these seals offer exceptional longevity.
Precision Seal Set
The 4956055 kit delivers reliable sealing for the aftercooler circuit:
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Precision Core Gaskets: Engineered for a perfect fit against the aftercooler housing to prevent air bypass.
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Resilient Fluid O-Rings: To effectively isolate the cooling jacket from the air path, preventing catastrophic hydro-locking.
Installation Guidelines
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Avoid Sealants: Install these specific gaskets dry unless the Cummins manual dictates otherwise; silicone sealants can squeeze out and block cooling passages.
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Lubricate O-Rings: Apply a light coat of clean system fluid to O-rings before seating to prevent twisting during assembly.





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